masahi commented on a change in pull request #10283:
URL: https://github.com/apache/tvm/pull/10283#discussion_r817112104
##########
File path: src/runtime/metadata.cc
##########
@@ -52,5 +62,65 @@ TensorInfo::TensorInfo(const struct ::TVMTensorInfo* data)
TVM_REGISTER_OBJECT_TYPE(TensorInfoNode);
} // namespace metadata
+
+class MetadataModuleNode : public ::tvm::runtime::ModuleNode {
+ public:
+ explicit MetadataModuleNode(runtime::metadata::Metadata metadata) {
+ // CHECK((metadata.defined() && code.size() > 0) || (!metadata.defined()
&& code.size() == 0))
+ // << "metadata and code must both be either defined (when passed from
compiler) or undefined
+ // "
+ // << "(when passed from runtime)";
+ metadata_ = metadata;
+ // code_ = code;
+ }
+
+ const char* type_key() const { return "metadata_module"; }
+
+ static Module LoadFromBinary() {
+ return
Module(make_object<MetadataModuleNode>(runtime::metadata::Metadata()));
+ }
+
+ void SaveToBinary(dmlc::Stream* stream) final {}
+
+ PackedFunc GetFunction(const std::string& name, const ObjectPtr<Object>&
sptr_to_self) {
+ if (name == "get_metadata") {
+ return PackedFunc([this, sptr_to_self](TVMArgs args, TVMRetValue* rv) {
+ if (!metadata_.defined()) {
+ TVMFunctionHandle f_handle;
+ int32_t ret_code = TVMBackendGetFuncFromEnv(this, "get_c_metadata",
&f_handle);
Review comment:
See https://github.com/apache/tvm/pull/10283/files#r817105544
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